"Am liable" means being responsible or accountable for something. The antonyms of this term are "not responsible," "not accountable," "innocent" or "irresponsible." Using these antonyms can help to shift the focus of a sentence or statement or to clarify a situation where one person may be absolved of blame. For example, "I am not liable for the damages to the car," implying that the speaker was not responsible for the damage. Antonyms for "am liable" can be helpful in legal settings or conversations about accountability and responsibility.